7942662838 has 16 divisors (see below), whose sum is σ = 13084318800. Its totient is φ = 3586069600.

The previous prime is 7942662829. The next prime is 7942662851. The reversal of 7942662838 is 8382662497.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1208233 + ... + 1214788.

It is an arithmetic number, because the mean of its divisors is an integer number (817769925).

Almost surely, 2^7942662838 is an apocalyptic number.

7942662838 is a deficient number, since it is larger than the sum of its proper divisors (5141655962).

7942662838 is a wasteful number, since it uses less digits than its factorization.

7942662838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2423183.

The product of its digits is 6967296, while the sum is 55.

The square root of 7942662838 is about 89121.6182415916. The cubic root of 7942662838 is about 1995.2104423916.

The spelling of 7942662838 in words is "seven billion, nine hundred forty-two million, six hundred sixty-two thousand, eight hundred thirty-eight".